BLU Advance 4.0 M vs Lava Z81
BLU Advance 4.0 M
Lava Z81
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 1900, 2100HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2016-112018-10
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Status2016-112018-10
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Design
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Build-Plastic, metal
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height123.6 mm152.2 mm
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Width61.5 mm73 mm
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Thickness10.3 mm7.9 mm
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Weight114 g141 g
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ColorsBlack, White/BlueBlack/Blue, Gold/Black
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Display
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Display typeTFT capacitive touchscreenIPS capacitive touchscreen
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Physical size4.0 inches5.7 inches
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Resolution480 x 800 pixels1080 x 2160 pixels
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Pixel density233 ppi424 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.2 GHzQuad-core 2.0 GHz Cortex-A53
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ChipsetMediatek MT6572Mediatek MT6761
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GPUMali-400PowerVR GE8300
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Memory RAM512 MB2, 3 GB
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Internal storage4 GB32 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max64 GB128 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Android 8.1 Oreo
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Main camera
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Main camera2 MP13 MP, f/2.2
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video720@30fps1080p@30fps
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Primary camera flashLED flashLED flash
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Camera featuresGeo-taggingAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
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Selfie camera
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Secondary cameraVGA camera-
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Selfie camera13 MP
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Selfie camera resolution-4160 x 3120 pixels
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Selfie camera video-720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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Radio-FM Radio
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Radio FMFM radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v4.2
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Bluetooth A2DP-Yes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometerAccelerometer, fingerprint, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity1300 mAh3000 mAh
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Battery removable-Non-removable
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Talk time 2G17 h19 h
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Talk time 3G12 h19 h
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Talk time 4G-21 h
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Standby time 2G700 h320 h
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Standby time 3G500 h320 h